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Best Licensed Glass & Glazing Contractors in San Ramon, CA

4 glass companies registered in San Ramon hold current CSLB licenses, verified against official records as of August 17, 2026. All 4 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 4 companies registered in San Ramon. 4 passed license verification. All 4 are listed below. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.C / S Erectors Inc.

    ✓ CSLB License #575606 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1989
    Phone
    (925) 820-8113

  2. 2.Uniframe Windows And Siding Inc.

    ✓ CSLB License #665358 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1993
    Phone
    (925) 960-0560

  3. 3.Bay Wide Glass Inc.

    ✓ CSLB License #769363 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1999
    Phone
    (925) 960-8780

  4. 4.California Window Masters Installation

    ✓ CSLB License #972660 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2012
    Phone
    (877) 464-4005

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
C / S Erectors Inc.#575606On file1989
Uniframe Windows And Siding Inc.#665358On file1993
Bay Wide Glass Inc.#769363On file1999
California Window Masters Installation#972660Exempt or none on file2012

Contra Costa County glazing licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 81 active C-17 glazing licenses in Contra Costa County, 4 of them registered in San Ramon. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Ramon license has been held 26 years, and the longest-standing one dates to 1989. 3 of San Ramon's 4 licenses (75.0%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 81 of the county's 81 licenses carry the same $25,000 bond California sets by statute. 2 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.

Glass & Glazing Contractors in San Ramon: common questions

How many licensed glass and glazing contractors are there in San Ramon?

4 active C-17 glazing licenses are registered in San Ramon, out of 81 across Contra Costa County. 4 San Ramon-registered companies passed our license verification, and all 4 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license glass and glazing contractors?

Yes. California licenses contractors by classification, and C-17 is the CSLB classification that authorises this work. 4 active C-17 glazing licenses are registered in San Ramon and 81 across Contra Costa County, the longest-standing issued in 1989. Only CLEAR, unexpired licenses appear here.

How do I check a glazing contractor's license in California?

Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 3 of San Ramon's 4 currently carry. 2 Contra Costa County licenses expire within 90 days.

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